michelle obama and their daughters joined the president on stage as he counted down and the president also did a little dancing with a little elf during the festivities last night. >>> a bay area family is one of 20 in the country competing in the great christmas light fight. it's a family in ran rafael. >> my collecting of disney got to a point where i felt i had enough holiday disney, you know, characters and mickeys, et cetera, that we decided to set up a display and incorporate my disney collection with our christmas decorations. >> my goodness. impressive stuff. the grit christmas light fight, a reality tv show, will air here on abc7 starting next monday. that's a good kind of competition. i love when people go all out. >> have you been doing your decorating? >> no. i'm one of the slackers. >> that's right all right. we have plenty of time and the cold front moves through. less to deal with today. lots of sunshine and chilly conditions. half-inch of written in san rafael. san jose picking up over a tenth. when will the cold air get out of here? i'll have your forecast coming up.